219345399

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2636

約数の個数: 48

約数和(自身を含む): 393748992

約数和(自身を除く): 174403593

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 107, 117, 273, 321, 749, 819, 963, 1391, 2247, 2503, 4173, 6741, 7509, 9737, 12519, 17521, 22527, 29211, 32539, 52563, 87633, 97617, 157689, 227773, 267821, 292851, 683319, 803463, 1874747, 2049957, 2410389, 3481673, 5624241, 10445019, 16872723, 24371711, 31335057, 73115133, 219345399]

約数ペア:

[(1, 219345399), (3, 73115133), (7, 31335057), (9, 24371711), (13, 16872723), (21, 10445019), (39, 5624241), (63, 3481673), (91, 2410389), (107, 2049957), (117, 1874747), (273, 803463), (321, 683319), (749, 292851), (819, 267821), (963, 227773), (1391, 157689), (2247, 97617), (2503, 87633), (4173, 52563), (6741, 32539), (7509, 29211), (9737, 22527), (12519, 17521)]